# Currency & Crypto

A currency conversion multiplies an amount by an exchange rate, but banks and transfer services often add a margin to the rate as well as a fee, so you receive less than the mid-market rate suggests. Crypto conversions, profit and loss work the same way. Rates change throughout the day, so a result is only as current as its rate.

## Tools

- Currency Converter (Coming soon): Convert an amount from one currency to another using published exchange rates.

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Category: [Finance & Business Tools](https://techolm.com/finance-tools)